Home / 6,822.92-10,222.02-3,128.24

Finding the Fourth Proportional to 6,822.92, 10,222.02 and 3,128.24

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Solution

The fourth proportional to 6,822.92, 10,222.02 and 3,128.24 is: 4,686.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.92 : 10,222.02 = 3,128.24 : x
  2. Step 2: Convert to fraction form
    6,822.92/10,222.02 = 3,128.24/x
  3. Step 3: Cross multiply
    6,822.92x = 10,222.02 × 3,128.24
  4. Step 4: Simplify right side
    6,822.92x = 31,976,931.84
  5. Step 5: Solve for x
    x = 31,976,931.84/6,822.92
  6. Step 6: Final answer
    x = 4,686.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.